Number of nondecreasing -4..4 vectors of length n whose dot product with some other -4..4 vector equals n.
A226336
Number of nondecreasing -4..4 vectors of length n whose dot product with some other -4..4 vector equals n.
Terms
- a(0) =2a(1) =34a(2) =130a(3) =480a(4) =1139a(5) =2973a(6) =6068a(7) =12823a(8) =23590a(9) =43620a(10) =74135a(11) =125962a(12) =200993a(13) =319516a(14) =486423a(15) =735303a(16) =1075392a(17) =1562050a(18) =2210979a(19) =3107839a(20) =4279431a(21) =5852307a(22) =7870810a(23) =10518228a(24) =13859945a(25) =18155322a(26) =23504230a(27) =30259780a(28) =38566432a(29) =48902774
External references
- oeis: A226336